__InputValue
Arguments provided to Fields or Directives and the input fields of an InputObject are represented as Input Values which describe their type and optionally a default value.
Fields
  name (
  
String!)
  
  description (
  
String)
  
  type (
  
__Type!)
  
  defaultValue (
   
String)
  A GraphQL-formatted string representing the default value for this input value.
  isDeprecated (
  
Boolean!)
  
  deprecationReason (
  
      String)